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82982900 = 225271113829
BaseRepresentation
bin1001111001000…
…11011111110100
312210010222010202
410330203133310
5132220423100
612122340032
72025225440
oct474433764
9183128122
1082982900
1142929310
122395a618
1314266010
14b041820
1574427d5
hex4f237f4

82982900 has 144 divisors (see below), whose sum is σ = 242067840. Its totient is φ = 23846400.

The previous prime is 82982863. The next prime is 82982923. The reversal of 82982900 is 928928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99686 + ... + 100514.

Almost surely, 282982900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82982900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121033920).

82982900 is an abundant number, since it is smaller than the sum of its proper divisors (159084940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82982900 is a wasteful number, since it uses less digits than its factorization.

82982900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 82982900 is about 9109.4950463788. The cubic root of 82982900 is about 436.1771086991.

It can be divided in two parts, 829 and 82900, that multiplied together give a square (68724100 = 82902).

The spelling of 82982900 in words is "eighty-two million, nine hundred eighty-two thousand, nine hundred".

Divisors: 1 2 4 5 7 10 11 13 14 20 22 25 26 28 35 44 50 52 55 65 70 77 91 100 110 130 140 143 154 175 182 220 260 275 286 308 325 350 364 385 455 550 572 650 700 715 770 829 910 1001 1100 1300 1430 1540 1658 1820 1925 2002 2275 2860 3316 3575 3850 4004 4145 4550 5005 5803 7150 7700 8290 9100 9119 10010 10777 11606 14300 16580 18238 20020 20725 21554 23212 25025 29015 36476 41450 43108 45595 50050 53885 58030 63833 75439 82900 91190 100100 107770 116060 118547 127666 145075 150878 182380 215540 227975 237094 255332 269425 290150 301756 319165 377195 455950 474188 538850 580300 592735 638330 754390 829829 911900 1077700 1185470 1276660 1508780 1595825 1659658 1885975 2370940 2963675 3191650 3319316 3771950 4149145 5927350 6383300 7543900 8298290 11854700 16596580 20745725 41491450 82982900